Is it in English and where can I get it? Barbara Jamie Yates <jamieyates@xxxxxxxxxxx> wrote: Barbara, there is a 398 page book about Bioptics, if that would help? Bioptics : optics in biomedicine and environmental sciences : proceedings of an intensive course held 17-25 March 1991, Porto, Portugal / Anna Maria Scheggi, Olivério D. Soares, editors ; sponsored by Commission of the European Communities ‪(‬DG XII-SCIENCE‪)‬ ... ‪[‬et al.‪]‬ ; cosponsored by Faculdade de Ciências da Universidade do Porto, Portugal ... ‪[‬et al. Everyone needs something on ebay. When you do, please use my link. Thanks! Jamie in Michigan Currently Reading - Murder on Monday - Ann Purser